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Parts of the Voyager-DE and Voyager-DE PRO Systems
Voyager
Biospectrometry
Workstation User’s Guide 1-23
1
Linear detectorA device that detects ions that travel
down the flight tube. The linear detector measures ion
abundance over time and sends a signal to the digitizer
for conversion.
On the Voyager-DE PRO system, the linear detector is
used in Linear mode only. It is not used in Reflector or
PSD mode.
Linear detectors are hybrid high-current detectors
consisting of a single microchannel plate, a fast
scintillator, and a photomultiplier. These detectors have
superior tolerance for high ion currents.
NOTE: High Current detectors are standard on
Voyager-DE systems with serial number 1128 and
later, and Voyager-DE PRO systems with serial
number 6007 and later.
Additional
parts of the
Voyager-DE PRO
Parts unique to the Voyager-DE PRO mass spectrometer:
Collision CellProvided with CID (Collision-Induced
Dissociation) option for enhanced fragmentation in PSD
analysis.
•Reflector—A single-stage gridded mirror that focuses
energy. In reflector mode, a uniform electric field is
applied to the mirror to reflect ions. Ion reflection:
Filters out neutral molecules
Corrects time dispersion due to initial kinetic
energy distribution
Provides greater mass accuracy and resolution
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